1. On February 1, one hundred randomly selected
people were polled. Sixty-four percent said that the president was
doing a good job, 33% said he was doing a poor job, and the rest said
they weren’t sure.

How
many people in the poll said they weren’t sure?

2. On
March 1, a different randomly selected one hundred people were polled.
Thirty-seven percent said that the president was doing a good job, 45%
said he was doing a poor job, and the rest said they weren’t
sure.

Underline
the statements that are definitely true.

a. The
president’s job approval among all citizens went down between
February 1 and March 1.

b.
These two polls suggest that the president’s job approval
among all citizens went down between February 1 and March 1.

c.
Three percent of the first group were not sure if they approved of the
president’s job performance.

d. It
is likely that 101% of the citizens of the country believe that the
president is doing a good job.